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221
A
PPLICATION
I
NJECTION
BATTERY POWER PIN OUTS
Direct Injection: Pump Runs Full Speed
Digital Pump Speed Sensor -
The injection pump’s digital
pump speed sensor is used to
provide actual rate feedback
to the display. If the display is
not receiving an actual rate
the pump will run full speed
and provide a “Rate Not
Responding” warning
message. See Digital Pump
Speed Pin out table below for
pin locations. With the section
valves on the cabling can be
tested by pulsing the signal
and ground pins to verify the
total applied increases, it is
always best to pulse the pins
at least 10 times to make sure the total applied will increase by a noticeable amount.
D
IGITAL
P
UMP
S
PEED
P
IN
O
UTS
Analog Pump Speed Sensor – The injection pump’s analog speed sensor is used in conjunction with the
digital pump speed sensor to provide accurate rate feedback. The sensor is a generator that produces a
varying voltage dependent on the speed of the pump. The injection module will only get feedback from
this sensor when the pump is rotating. If the analog sensor is not providing a feedback to the module, the
pump will run full speed and will not change speeds manually.
2 Pin Deutsch Plug
2 Pin Deutsch
Receptacle
2 Pin WP Tower
Power 12V 1 1 A
Ground 2 2 B
Module Auxiliary Connection
12-Pin Socket
3-Pin Conxall
Power (5V) 12 2
Signal (5V) 3 3
Ground 6 1
Yes
No
Display receiving
actual rate
Check injection
diagnostics to see if
anolog pump speed is
Refer to injection
pump manual to
Check injection
diagnostics to see if
Refer to
manufacture